The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 26, 1976
Filed:
Feb. 04, 1975
Applicant:
Inventors:
Tadaaki Yamamoto, Tokyo, JA;
Toshiyuki Kasai, Kawasaki, JA;
Yoshihiro Kaizawa, Kawasaki, JA;
Sakuji Watanabe, Urawa, JA;
Assignee:
Nippon Kogaku K.K., Tokyo, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
356117 ; 324 / ;
Abstract
In an automatic polarization analyzing device which employs the extinction detecting method using a light amplitude modulating system, two sets of converter means are provided for converting into an angle a positional deviation electrical signal corresponding to a dead zone present in the control system.
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Yamamoto, Tadaaki. (1976). Automatic polarization analyzing device (U.S. Patent No. 3988067). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3988067
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